﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using SalesModel;

namespace SalesController
{
    public interface DAOCustomer
    {
        void add(Customer c);
        void update(Customer c);
        void delete(String dni);
        List<Customer> queryAll();
        Customer queryById(int customerId);
        int count();
    }
}
